Food of Game Ducks in the United States and Canada (Research Report, 30)

Food of Game Ducks in the United States and Canada (Research Report, 30) Review

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Food of Game Ducks in the United States and Canada (Research Report, 30) Feature

An awakened public interest in the restoration of waterfowl calls for dependable information on which to base programs for the improvement of breeding and feeding grounds. Over the period of many years, the Bureau of Biological Survey has investigated the food habits of game ducks and has studied the propagation of the plants on which they feed. The results are summarized and published in this bulletin.

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Alimentary tract morphology of selected North Atlantic fishes in relation to food habits (Fisheries Research Board of Canada. Technical report)

Alimentary tract morphology of selected North Atlantic fishes in relation to food habits (Fisheries Research Board of Canada. Technical report) Review

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Alimentary tract morphology of selected North Atlantic fishes in relation to food habits (Fisheries Research Board of Canada. Technical report) Feature

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